1. Increasing by successive addition
   "the eventual accumulative effect of these substances"
   - cumulative 
2. Marked by acquiring or amassing
   "we live in an accumulative society"

See also: accumulate, acquisitive, additive

• electric automobile
• electric battery
• electric bell
• electric bill
• electric blanket
• electric burn
• electric car
• electric catfish
• electric cell
• electric chair
• electric charge
• electric circuit
• electric clock
• electric company
• electric cord
• electric current
• electric dipole
• electric dipole moment
• electric discharge
• electric doublet
• electric drill
• electric eel
• electric eye
• electric fan
• electric field